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Mary Hickey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Champaign-County, Illinois
Our Model Tree links this Mary Hickey across the 1920, 1930 and 1940 US Censuses in Champaign-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 2-person household.
Age 57
b. ~1883
Female
Head
Born: Indiana
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Champaign-County, Illinois |
| Surname | Hickey |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Rantoul |
| 1935 Residence (County) | Champaign |
| Additional Details | |
| Industry | 0 |
| Class of Worker | Yes |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Champaign City |
| Est. Birth Year | ~1883 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lila Hickey | Daughter | — | 30 | ~1910 |
| Mary Hickey | Head | — | 57 | ~1883 |
Census Appearances
1920
Champaign, Illinois
Spouse, age 38
Champaign, Illinois · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Champaign, Illinois
Spouse, age 48
Champaign, Illinois · implied b. ~1882 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 23 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Champaign-County, Illinois
Head, age 57
Champaign-County, Illinois · implied b. ~1883 — 2 household members
| Surname | Hickey |
| Given Name | Mary A |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Indiana |
| 1935 Residence (City) | Rantoul |
| 1935 Residence (County) | Champaign |
| Industry | 0 |
| Class of Worker | Yes |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Hickey across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hickey
Head · 1940 · age 57 · b. ~1883 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Champaign-County, Illinois
Open full size
1940 US Federal Census — Champaign-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00765-00571)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stanley Bateman | 22 | Head | Bookkeeper | Illinois |
| 2 | June Bateman | 22 | Wife | — | Illinois |
| 3 | Newton A Wooley | 33 | Head | Auto Mechanic | Illinois |
| 4 | Neta Wooley | 30 | Wife | — | Illinois |
| 5 | Olive Wooley | 7 | Daughter | — | Illinois |
| 6 | Lois Wooley | 5 | Daughter | — | Illinois |
| 7 | Jackie Wooley | 5 | Son | — | Illinois |
| 8 | George Urinov | 34 | Head | Manager | Illinois |
| 9 | Juanita Urinov | 31 | Wife | — | Illinois |
| 10 | Herman L. Cuhna | 44 | Head | Janitor | New York |
| 11 | Dorcas Cuhna | 43 | Wife | Saleslady | Illinois |
| 12 | Jack Baum | 25 | Head | Radio Technician | Illinois |
| 13 | Winifred Baum | 24 | Wife | Librarian | Illinois |
| 14 | Jack Baum | 3 | Son | — | Illinois |
| 15 | Cyrus Knutsan | 23 | Head | Salesman | Iowa |
| 16 | Nigel Knutsan | 25 | Wife | — | Illinois |
| 17 | Clara Munds | 45 | Head | Sales Lady | Illinois |
| 18 | Frank Munds | 54 | Brother | — | Illinois |
| 19 | Paul T. Cole | 25 | Head | Filling Station Attendant | Illinois |
| 20 | Anna Cole | 24 | Wife | — | Illinois |
| 21 | Ethelann Cole | 3 | Daughter | — | Illinois |
| 22 | Lolita Cole | 1 | Daughter | — | Illinois |
| 23 | Ethel Cole | 53 | Mother | Bookkeeper | Illinois |
| 24 | Mary A Hickey THIS PERSON | 57 | Head | — | Indiana |
| 25 | Lila P. Hickey | 30 | Daughter | Telegraph Operator | Illinois |
| 26 | Fred Skrobeck | 74 | Head | — | Germany |
| 27 | John Skrobeck | 39 | Son | Locomotive Fireman | Illinois |
| 28 | Ella Davis | 73 | Head | — | Illinois |
| 29 | Lemuel Slimp | 48 | Head | Salesman | Illinois |
| 30 | Charlotte Slimp | 47 | Wife | Telephone Operator | Pennsylvania |
| 31 | Stella Montgomery | 38 | Head | Seamstress | Illinois |
| 32 | Betty Montgomery | 16 | Daughter | — | Illinois |
| 33 | William Montgomery | 18 | Son | Soda Dispenser | Illinois |
| 34 | Bessie Montgomery | 19 | Daughter In Law | — | Illinois |
| 35 | Catherine Allen | 63 | Head | — | Illinois |
| 36 | Kenneth Allen | 10 | Grandson | — | Illinois |
| 37 | Thomas Holmes | 21 | Lodger | Salesman | Illinois |
| 38 | Frank Myers | 67 | Head | Painter | Illinois |
| 39 | Nettie Myers | 51 | Wife | — | Kentucky |
| 40 | Marie Peek | 40 | Sister | Stitcher | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)